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However, during the question-and-answer portion of the news conference, the investigation into Hipps' death became the primary focus.

Hipps’ body was found under the Highway 93 bridge over Lake Hartwell in September. (FULL STORY)

Members of the Sigma Phi Epsilon fraternity had reported him missing after an early morning run.

The Oconee County coroner said Tucker died from injuries sustained in a fall.

Crenshaw said he considers the fact that the case is still unsolved as one of the biggest frustrations of last year.

In September, Crenshaw said he didn't see evidence that showed hazing played a part in Tucker's death.

At that time he said, "There has been speculation and innuendo, especially on social media, regarding whether hazing played a part in the death of Tucker Hipps. So far, there has been no indication in the Oconee County Sheriff’s Office investigation that hazing played a part in the death of Tucker Hipps. Once again, the investigation is ongoing. Sheriff’s investigators continue to work with Clemson University, the Clemson University Police Department and the Sigma Phi Epsilon Fraternity to determine the manner of death in this case."

When asked Friday if he still stood by the statement that this was not a case of hazing Crenshaw said, "At that time we saw nothing to indicate a hazing role lead to his death was an issue. Of course, our investigation has continued.

"I think it would be premature to speculate or to really jeopardize the case in any way what our findings have been since that date going forward until the investigation is complete."

Crenshaw said he considers it "unusual" that a group of boys were together and no one noticed Hipps was missing.

"It leads us to think there's someone withholding information or not truthful, or we've got the greatest mystery in the world we've got to figure out and solve, Crenshaw said."

Crenshaw said the investigation remains open. He said the solicitor's office and the South Carolina Law Enforcement Division are also involved in the investigation.